quality control

test of the production line so as to verify the normality of the products

'For the Jurassic 5 album, see Quality Control (album)' In engineering and manufacturing, quality control and quality engineering are involved in developing systems to ensure products or services are designed and produced to meet or exceed customer requirements. These systems are often developed in conjunction with other business and engineering disciplines using a cross-functional approach.
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Quality Control is the second album from the alternative hip hop group Jurassic 5, and their first on a major label.
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Noun
1. maintenance of standards of quality of manufactured goods
(hypernym) internal control
(hyponym) acceptance sampling

The operational techniques and activities used to fulfil requirements for quality.

A management function whereby control of the quality of (a) raw materials, assemblies, produced materiel, and components, (b) services related to production, and (c) management, production, and inspection processes is exercised for the purpose of preventing undetected production of defective materiel or the rendering of faulty services. (188 )